<template>
  <div>
    <el-form
      :model="dynamicValidateForm"
      ref="dynamicValidateForm"
      label-width="100px"
      class="demo-dynamic"
    >
      <el-form-item
        prop="email"
        label="邮箱"
        :rules="[
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          {
            type: 'email',
            message: '请输入正确的邮箱地址',
            trigger: ['blur', 'change'],
          },
        ]"
      >
        <el-input v-model="dynamicValidateForm.email"></el-input>
      </el-form-item>
      <el-form-item
        v-for="(domain, index) in dynamicValidateForm.domains"
        :label="'域名' + index"
        :key="domain.key"
        :prop="'domains.' + index + '.value'"
        :rules="{
          required: true,
          message: '域名不能为空',
          trigger: 'blur',
        }"
      >
        <el-input v-model="domain.value"></el-input
        ><el-button @click.prevent="removeDomain(domain)">删除</el-button>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('dynamicValidateForm')"
          >提交</el-button
        >
        <el-button @click="addDomain">新增域名</el-button>
        <el-button @click="resetForm('dynamicValidateForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
export default {
  data () {
    return {
      dynamicValidateForm: {
        domains: [
          {
            value: ''
          }
        ],
        email: ''
      }
    }
  },
  methods: {
    submitForm (formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          alert('submit!')
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    resetForm (formName) {
      this.$refs[formName].resetFields()
    },
    removeDomain (item) {
      const index = this.dynamicValidateForm.domains.indexOf(item)
      if (index !== -1) {
        this.dynamicValidateForm.domains.splice(index, 1)
      }
    },
    addDomain () {
      this.dynamicValidateForm.domains.push({
        value: '',
        key: Date.now()
      })
    }
  }
}
</script>

<style>
</style>
